Home / 3,478,642.60-5,217,963.90-1,682,386.60

Finding the Fourth Proportional to 3,478,642.60, 5,217,963.90 and 1,682,386.60

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Solution

The fourth proportional to 3,478,642.60, 5,217,963.90 and 1,682,386.60 is: 2,523,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,642.60 : 5,217,963.90 = 1,682,386.60 : x
  2. Step 2: Convert to fraction form
    3,478,642.60/5,217,963.90 = 1,682,386.60/x
  3. Step 3: Cross multiply
    3,478,642.60x = 5,217,963.90 × 1,682,386.60
  4. Step 4: Simplify right side
    3,478,642.60x = 8,778,632,544,643.74
  5. Step 5: Solve for x
    x = 8,778,632,544,643.74/3,478,642.60
  6. Step 6: Final answer
    x = 2,523,579.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.